One of the "twins" in these falls on the Snake River was sacrificed for hydropower generation in the 1930s.

An impressive waterfall nestled in the cliffs of Idaho's Snake River Canyon.

These falls, sometimes called the "Niagara of the West," still put on a good show at the right time of year.

A black cottonwood gets a second life as a home for books.

Despite his legacy of work in Spain, Cuba, and Florida, the larger-than-life writer's grave is a simple affair tucked in an Idaho cemetery.

See just what life was like in a 19th-century prospecting town.

This simple home was the beginning of a long journey for the iconic Western film star.

The notorious couple camped at this site after a bloody shootout with police.

A pop-culture attraction outside of Dyersville, Iowa, hits a home run.

A place of great reverence for Trekkies everywhere, a hero's future birthplace.

A giant pair of thick black glasses mark the tragic demise of a trio of rock and roll legends.

One man’s obsessive, 30-plus-year quest is behind the pies at this spot on the Lower East Side.

This old-school soda shop is the home of the Tin Roof Sundae, a concoction dripping in chocolate, marshmallow, and peanuts.

Over 600 acres of idyllic open grassland honor Nebraska’s georgic storyteller.

A brick-paved former section of the historic coast-to-coast highway.

This replica small town lets visitors take a stroll through the story of progress in the U.S. via thousands of Americana artifacts.

This erect, phallic geological spire wasn't always named so domestically.

A board game enthusiast's love for the game, memorialized forever.

This colorful monument commemorates a little-known story from the life of Abraham Lincoln.

The first home and studio that belonged to the famous architect.

This diner serves Route 66 nostalgia and what it claims is the 'original' hot dog on a stick.

One of the finest examples of a black soil prairie that was barely saved by the Great Depression.

See where Bill Murray kidnapped a hapless Punxsutawney Phil.

The lowest point in the state of Illinois, at the confluence of the Mississippi and Ohio rivers.